NSN 5305-01-138-7235

Part Details | CLOSE TOLERANCE SCREW

5305-01-138-7235 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: HT4025L725, HT4025L7-25, ST3M4547L25, ST3M454-7L25, HT4025L725, HT4025L7-25, ST3M4547L25, ST3M454-7L25, ST3M4547L25, ST3M454-7L25, HT4025L725, HT4025L7-25, ST3M4547L25, ST3M454-7L25, HT4025L725, HT4025L7-25, HT4025L725, HT4025L7-25, HT4025L725, HT4025L7-25, 119057L25, 11905-7L25, HT4025L725, HT4025L7-25, ST3M4547L25, ST3M454-7L25, ST3M4547L25, ST3M454-7L25, ST3M4547L25, ST3M454-7L25, ST3M4547L25, ST3M454-7L25, ST3M4547L25, ST3M454-7L25, 5305-01-138-7235, 01-138-7235, 5305011387235, 011387235

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 19, 198201-138-723529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-138-7235
Part Number Cage Code Manufacturer
HT4025L7-2506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-7L2592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4025L7-2592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M454-7L2576301BOEING COMPANY, THEDBA BOEING
ST3M454-7L2558998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT4025L7-2573197HI-SHEAR CORPORATION
ST3M454-7L251VSL7HOUSTON PRECISION FASTENERS I, LP
HT4025L7-2517446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4025L7-2597928HUCK INTL INC
HT4025L7-25L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11905-7L2559563REID PRODUCTS INC.DBA REID PRODUCTS
HT4025L7-2580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M454-7L2506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
ST3M454-7L2527624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
ST3M454-7L25007R1TWIST TITE MFG, INC
ST3M454-7L2506710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
ST3M454-7L2560516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-138-7235
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
FASTENER LENGTH2.222 INCHES MINIMUM AND 2.252 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.810 INCHES MINIMUM AND 0.889 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM